The Invesco S&P 500« Momentum ETF (Fund) is based on the S&P 500 Momentum Index (Index). The Fund generally will invest at least 90% of its total assets in common stocks that comprise the Index. The Index tracks the performance of stocks in the S&P 500« Index that have a high 'momentum score'. The Fund and Index are reconstituted and rebalanced twice a year on the third Fridays of March and September. Constituents are weighted by their market capitalization and their momentum score.